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 <h1 class="title">Ctype 函数</h1>

 




































































































<h2>目录</h2><ul class="chunklist chunklist_reference"><li><a href="function.ctype-alnum.html">ctype_alnum</a> — 检测字母数字式字符</li><li><a href="function.ctype-alpha.html">ctype_alpha</a> — 检测字母字符</li><li><a href="function.ctype-cntrl.html">ctype_cntrl</a> — 检测控制字符</li><li><a href="function.ctype-digit.html">ctype_digit</a> — 检测数字字符</li><li><a href="function.ctype-graph.html">ctype_graph</a> — 检测除空格外的任何打印字符</li><li><a href="function.ctype-lower.html">ctype_lower</a> — 检测小写字符</li><li><a href="function.ctype-print.html">ctype_print</a> — 检测可打印字符</li><li><a href="function.ctype-punct.html">ctype_punct</a> — 检测可打印的字符是不是不包含空白、数字和字母</li><li><a href="function.ctype-space.html">ctype_space</a> — 检测空白字符</li><li><a href="function.ctype-upper.html">ctype_upper</a> — 检测大写字符</li><li><a href="function.ctype-xdigit.html">ctype_xdigit</a> — 检测字符是否只包含十六进制字符</li></ul>
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